ArticleWorld journal of radiology2026
Enhanced detection of vascularization in rectal endometriosis: A comparative study of microvascular flow and power Doppler.
Article in World journal of radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundConventionally, rectal endometriotic nodules have been considered as poorly vascularized. However, new, more sensitive, Doppler techniques have been developed recently for assessing microvascularization. These new techniques might allow microvascularity in these lesions.
aimTo compare the vascularization of rectal endometriotic nodules using microvascular (MV) flow and conventional power Doppler.
methodsThirty consecutive women diagnosed with deep endometriosis involving the rectum were recruited for this prospective study. All women underwent transvaginal ultrasound using a Samsung V8 ultrasound system (Samsung Medison, Co., Ltd., Seoul, South Korea). The scanning protocol was performed according to the International Deep Endometriosis Analysis consensus. Endometriotic lesions involving the rectum were identified as hypoechoic lesions with blurred margins. Then, power Doppler was activated and the vascularization of the lesion was assessed. Immediately after, the MV-Flow™ with the LumiFlow™ was activated and the vascularization was assessed again. Vascularization assessment was undertaken based on the subjective examiner's impression, using the vascular score proposed by International Ovarian Tumor Analysis group.
resultsThe vascular score using conventional power Doppler was score 1 in 87% (
conclusionThis study shows that many rectal endometriotic nodules exhibit more vascularization than previously thought when using MV-Flow™.
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